BUG #6727: Column does not exist exception has no error code

Started by Patrick Tuckeralmost 14 years ago5 messagesbugs
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#1Patrick Tucker
tuckerpmt@gmail.com

The following bug has been logged on the website:

Bug reference: 6727
Logged by: Patrick Tucker
Email address: tuckerpmt@gmail.com
PostgreSQL version: 9.1.1
Operating system: Windows
Description:

The SQLException that is thrown when performing a query that has a column
name that is not valid, does not exist, does not contain an error code. We
are forced to do a string comparison to figure out if a particular exception
is caused by an invalid column name. This is not ideal. A fix would be
greatly appreciated.

Thanks,
Pat

#2Tom Lane
tgl@sss.pgh.pa.us
In reply to: Patrick Tucker (#1)
Re: BUG #6727: Column does not exist exception has no error code

tuckerpmt@gmail.com writes:

The SQLException that is thrown when performing a query that has a column
name that is not valid, does not exist, does not contain an error
code.

Could you provide a specific example? When I try this I see an error
code, 42703:

regression=# \set VERBOSITY verbose
regression=# select nosuchcol from int8_tbl;
ERROR: 42703: column "nosuchcol" does not exist
LINE 1: select nosuchcol from int8_tbl;
^
LOCATION: transformColumnRef, parse_expr.c:766

There may indeed be someplace where the errcode was forgotten, but
without a concrete example it's hard to find where.

regards, tom lane

#3Patrick Tucker
tuckerpmt@gmail.com
In reply to: Tom Lane (#2)
Re: BUG #6727: Column does not exist exception has no error code

Interesting, the test case that I ran was performing a simple SQL statement
like the following: select "a" from table

I wonder if the version of the driver I am using needs to be updated or
even the database?
Thanks,
Pat
On Wed, Jul 11, 2012 at 1:43 PM, Tom Lane <tgl@sss.pgh.pa.us> wrote:

Show quoted text

tuckerpmt@gmail.com writes:

The SQLException that is thrown when performing a query that has a column
name that is not valid, does not exist, does not contain an error
code.

Could you provide a specific example? When I try this I see an error
code, 42703:

regression=# \set VERBOSITY verbose
regression=# select nosuchcol from int8_tbl;
ERROR: 42703: column "nosuchcol" does not exist
LINE 1: select nosuchcol from int8_tbl;
^
LOCATION: transformColumnRef, parse_expr.c:766

There may indeed be someplace where the errcode was forgotten, but
without a concrete example it's hard to find where.

regards, tom lane

#4Patrick Tucker
tuckerpmt@gmail.com
In reply to: Patrick Tucker (#3)
Re: BUG #6727: Column does not exist exception has no error code

BTW I'm using postgresql-9.1-901.jdbc4.jar
Thanks again,
Pat

On Wed, Jul 11, 2012 at 2:10 PM, Patrick Tucker <tuckerpmt@gmail.com> wrote:

Show quoted text

Interesting, the test case that I ran was performing a simple SQL
statement like the following: select "a" from table

I wonder if the version of the driver I am using needs to be updated or
even the database?
Thanks,
Pat
On Wed, Jul 11, 2012 at 1:43 PM, Tom Lane <tgl@sss.pgh.pa.us> wrote:

tuckerpmt@gmail.com writes:

The SQLException that is thrown when performing a query that has a

column

name that is not valid, does not exist, does not contain an error
code.

Could you provide a specific example? When I try this I see an error
code, 42703:

regression=# \set VERBOSITY verbose
regression=# select nosuchcol from int8_tbl;
ERROR: 42703: column "nosuchcol" does not exist
LINE 1: select nosuchcol from int8_tbl;
^
LOCATION: transformColumnRef, parse_expr.c:766

There may indeed be someplace where the errcode was forgotten, but
without a concrete example it's hard to find where.

regards, tom lane

#5Craig Ringer
craig@2ndquadrant.com
In reply to: Patrick Tucker (#4)
Re: BUG #6727: Column does not exist exception has no error code

On 07/12/2012 02:24 AM, Patrick Tucker wrote:

BTW I'm using postgresql-9.1-901.jdbc4.jar
Thanks again,

A self-contained test case - a small Java program that connects to a
test DB, runs a query, and reports the result vs what you expected the
result to be - would be helpful.

--
Craig ringer